My mother's 1988 190e 2.3 shift's very hard even after the car has warmed up. I just found that she her catalytic converter removed and tranny rebuilt.
Her car shifts very hard in every gear almost to the point of having whip lash. Also there is delay when shifting from 1st to 2nd, then "bam" next gear. Her car also burning fuel rather quickly. Gas mileage sucks
Question: By removing the catalytic converter will affect the way her car shifts right?
Question: What do I need to do to get her car to shift smoothly.

Thank You

1. No
2. Go back to the transmission shop.

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2007 C 230 Sport.